why simple hello world binary is ~700KB

[BCS]

Reply to Michael,

> BCS wrote:
> 
>> Reply to Bedros,
>> 
>>> why when I compile this program under gdc I get 697KB of binary and
>>> when I compile similar C code in gcc I get 6.5KB (both under Linux
>>> (GCC) 4.1.2 20070214 (  (gdc 0.24, using dmd 1.020))
>>> 
>>> import std.stdio;
>>> 
>>> int main ()
>>> {
>>> writefln("Hello World!");
>>> return 0;
>>> }
>>> how can I get small footprint binaries out of any D compiler? any
>>> difference between gdc and dmd?
>> short version: D doesn't (yet) use shared objects for the stdlib, C
>> does. At this point, that hello world has most of the stdlib in it.
>> This issue has been brought up before and something will get done
>> about it sooner or later.
>> 
> I got a near 110K 'hello,world' on my XP with D 1.015, will there any
> way to link only the used part of stdlib in future version?
> 


IIRC that is a linker issue. Tango side steps it by putting next to nothing 
in the lib and lets you compile just about everthing and then just link in 
the modules you use.